SS

Shigeru Shinohara

HC Hitachi Koki Co.: 2 patents #6 of 53Top 15%
Overall (1989): #15,844 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4831364 Drilling machine Shun Suzuki, Masateru Niyada 1989-05-16
4803410 Variable duty ratio speed controller for DC motors Shun Suzuki 1989-02-07